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Finding the Third Proportional to 184,861.50 and 378,479.50

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Solution

The third proportional to 184,861.50 and 378,479.50 is: 774,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,861.50 : 378,479.50 = 378,479.50 : x
  2. Step 2: Convert to fraction form
    184,861.50/378,479.50 = 378,479.50/x
  3. Step 3: Cross multiply
    184,861.50x = 378,479.50 × 378,479.50
  4. Step 4: Simplify right side
    184,861.50x = 143,246,731,920.25
  5. Step 5: Solve for x
    x = 143,246,731,920.25/184,861.50
  6. Step 6: Final answer
    x = 774,886.78

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.